Question about 1999 BMW 318 ti

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My car is overheating and the heater is blowing cold air

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  • erkeen Oct 14, 2008

    my car is also overheating, and the heater is only blowing the cold air. when i loosen the radiator cap i can hear lots of air comin out (LIKE THE CAR IS ******* :))) ) so i think maybe its a air blockage or smthn. but not sure. does anyone know??? please help!

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Try bleeding it.  It takes more than one time to bleed a bimmer's system.  No heat from the heater simply means that water have not made it through your heater core yet (mostly air).  But on the other hand, you mentioned air escaping out of the radiator cap.  I'm doing research for my own for the same cause.  Someone mentioned earlier that it's a symptoms of bad head gasket.  I'm still searching that.
BigSarge

Posted on Oct 16, 2008

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http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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---------------------------

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